How to swapping of two or three numbers in C# ?

Question

Hai,Good Evening Dudes, I want to swapping 2 or 3 numbers in C#...Like This a=5,b=3 how to change this a=3, b=5 ? ? ? Thanks In Advance Frnds :)

Vulpes · Answer

You can also create a Swap method using 'ref' parameters: using System; namespace SwapNumber { class Program { static void Main(string[] args) { int a = 5, b = 3; Swap(ref a, ref b); Console.WriteLine("a={0} and b={1}", a, b); Console.ReadKey(); } static void Swap(ref int a, ref int b) { int c = a; a = b; b = c; } } }

Jignesh Trivedi · Answer

hi, you may use bitwise exclusive or operator to swap two number example. int x = 10; int y = 12; x ^= y; y ^= x; x ^= y; you may also swap string without use third string string a = "jignesh"; string b = "Trivedi"; a += b; b = a.Substring(0, a.Length - b.Length); a = a.Substring(b.Length); hope this will help you.

Riyaz Akhtar · Answer

If you are looking for normal swapping solution then you can flow any of the above solution. But when i saw your question, i remembered my college day's question : swapping two number without any 3rd variable if you are looking for the same then here is the answer: Method 1 : int a = 3; int b = 5; a = a + b; b = a - b; a = a - b; Method 2 : int a = 3; int b = 5; a = a * b; b = a / b; a = a / b;

Sandeep Singh Shekhawat · Answer

using System; namespace SwapNumber { class Program { static void Main( string [] args) { int a = 5, b = 3; int c = 0; c = a; a = b; b = c; Console .WriteLine( "a={0} and b={1}" , a, b); Console .ReadKey(); } } }

Sandeep Singh Shekhawat · Answer

using System; namespace SwapNumber { class Program { static void Main( string [] args) { int firtsNumber = 10, secondNumber = 20; Console .WriteLine( "First Number = {0} and Second Number = {1}" , firtsNumber, secondNumber); firtsNumber += secondNumber; secondNumber = firtsNumber - secondNumber; firtsNumber = firtsNumber - secondNumber; Console .WriteLine( "First Number = {0} and Second Number = {1}" , firtsNumber, secondNumber); Console .ReadLine(); } } }

suren v · Answer

Hai, Dudes , Really thanks for yours replies :) Special thanks Vulpes and Sandeep :)